feat: update README.md with new statistics and progress event handling

- Updated agent count from 48 to 30+ in the stats badges and descriptions.
- Updated tools count from 94+ to 60+ in the stats badges and descriptions.
- Updated workflows count from 11 to 14 in the stats badges and descriptions.
- Adjusted UI components description to reflect accurate counts.
- Enhanced flowchart and architecture diagrams to include progress event handling.
- Improved clarity in the description of the multi-agent orchestration process.